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Anatomy II Exam 1 > Lecture 6: Gluteal region and hip joint > Flashcards

Lecture 6: Gluteal region and hip joint Flashcards

1
Q

What is the cutaneous innervation of the upper medial quadrant of the buttock

A

posterior rami of L1-L3 and S1-S3

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2
Q

What is the cutaneous innervation of the upper lateral quadrant of the buttock?

A

iliohypogastric (L1)

anterior rami T12

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3
Q

What is the cutaneous innervation of the lower medial quadrant of the buttock?

A

Branches from the posterior femoral nerves (s1-s3 anterior rami)

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4
Q

What is the cutaneous innervation of the lower lateral quadrant of the buttock?

A

Branches of the anterior rami from the lateral femoral cutaneous nerve (s2-s3)

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5
Q

What are the structures that pass through the greater sciatic foramen? (PPPSSIN)

A 
PPPSSIN
Piriformis muscle 
Pudendal nerve 
Posterior pudendal artery and vein 
Super/inf gluteal vessels and nerves 
Sciatic nerve 
Internal pudendal artery 
Nerves to the quadratus femoris and obturator internees
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6
Q

What are the structures passing through the lesser sciatic foramen?
(NIPT)

A 
NIPT 
Nerve to the obturator internas 
Internal pudendal vessels 
Pudendal nerve 
Tendon of the obturator internus
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7
Q

What are the ligaments of the articulated pelvis?

A
  • obturator membrane
  • sacrotuberous
  • sacrospinous
  • sacroiliac
  • iliolumbar
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8
Q

What is the greater sciatic foramen a passageway for?

A

passageway for the structures that are entering or leaving the pelvis

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9
Q

What is the lesser sciatic foramen a passageway for?

A

structures that are entering or leaving the perineum

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10
Q

What are the 4 muscles of the gluteal group and what do they have in common?

A
  1. gluteus maximus
  2. gluteus medius
  3. gluteus minimus
  4. tensor fascia latae

they are all abductors that prevent the pelvis and the body from falling tot he unsupported side when one foot is off of the ground

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11
Q

What makes up the lateral compartment of the gluteal group?

A

gluteus medius, gluteus minimus, and the tensor fascia later

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12
Q

What makes up the posterior compartment of the gluteal group?

A

gluteus maximus

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13
Q

What is the function of the 6 deep external rotators?

A

rotate the unsupported side of pelvis forward to increase stride

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14
Q

Describe the gluteus maximus….

  1. origin
  2. insertion
  3. action
  4. innervation
  5. nerve supply
A

part of the posterior gluteal compartment

  1. posterior gluteal line of the ilium, surfaces of the sacrum, coccyx, sacrotuberous ligament
  2. gluteal tuberosity and iliotibial tract
  3. -extends and externally rotates the thigh
    - extends the pelvis when lower libs flexed
    - needed for rising from a seated position, climbing, running, and jumping
  4. inferior gluteal nerve (L5, S1-S2)
  5. inferior gluteal artery from the internal iliac
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15
Q

Describe the gluteus medius muscles in terms of

  1. origin
  2. insertion
  3. action
  4. innervation
  5. blood supply
A
  1. ilium between the anterior and posterior gluteal lines and gluteal aponeurosis
  2. anterior border of the greater trochanter
  3. hip abduction with a free swinging limb
  4. superior gluteal nerve
  5. superior gluteal artery from the internal iliac
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16
Q

Describe the gluteus minimus in terms of

  1. origin
  2. insertion
  3. action
  4. innervation
  5. blood supply
A
  1. ileum between the anterior and inferior gluteal lines
  2. anterior border of the greater trochanter
  3. hip abduction with a free hanging limb
  4. superior gluteal nerve
  5. superior gluteal artery
17
Q

Describe the tensor of the fascia lata in terms of

  1. origin
  2. insertion
  3. action
  4. innervation
  5. blood supply
A
  1. outer lip of the iliac crest and ASIS
  2. iliotibial tract
  3. hip abduction with a free hanging limb AND thigh medial rotator
  4. superior gluteal nerve
  5. superior gluteal artery from the internal iliac
18
Q

What is the point of the trendelenburg test?

A

-evaluates the strength of the contralateral gluteus medius
contralateral gluteus medius should lower the contralateral hip and raise the ipsilateral hip

patient stands upright and raises one foot off of the ground

Anatomy II Exam 1 (7 decks)

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